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431275417 is a prime number
BaseRepresentation
bin11001101101001…
…011110110011001
31010001112001122121
4121231023312121
51340401303132
6110443421241
713454531506
oct3155136631
91101461577
10431275417
11201497671
12100524821
136b471c71
14413c64ad
1527ce0497
hex19b4bd99

431275417 has 2 divisors, whose sum is σ = 431275418. Its totient is φ = 431275416.

The previous prime is 431275381. The next prime is 431275447. The reversal of 431275417 is 714572134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417017241 + 14258176 = 20421^2 + 3776^2 .

It is a cyclic number.

It is not a de Polignac number, because 431275417 - 215 = 431242649 is a prime.

It is not a weakly prime, because it can be changed into another prime (431275447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215637708 + 215637709.

It is an arithmetic number, because the mean of its divisors is an integer number (215637709).

Almost surely, 2431275417 is an apocalyptic number.

It is an amenable number.

431275417 is a deficient number, since it is larger than the sum of its proper divisors (1).

431275417 is an equidigital number, since it uses as much as digits as its factorization.

431275417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 431275417 is about 20767.1716177240. The cubic root of 431275417 is about 755.5297464856.

The spelling of 431275417 in words is "four hundred thirty-one million, two hundred seventy-five thousand, four hundred seventeen".